Preposition Exercise on Money, Money, Money 3

1 Three thousand years ago, the people living _____ the Mediterranean Sea began to use coins made _____ precious metals, such as gold and silver.
2 In Turkey, the first coins were small pellets, marked _____ a simple design that indicated the coin's weight.
3 But it didn't take people long to figure _____ that you could shave tiny pieces of metal off a pellet and no-one would notice.
4 If you sliced enough pieces _____ pellets, you saved a lot of money!
5 In China, _____ 4,000 years ago, an even better system had already been invented.
6 The Chinese had realised that it wasn't necessary to make coins _____ of gold and silver.
7 As long as everyone agreed that the coins had a particular value, they could be manufactured _____ any metal, even a cheap one.
8 The Chinese government made their coins _____ of iron, and stamped them _____ a certain value.
9 It was an ideal way to stop people slicing off pieces of precious metal _____ valuable coins.
10 Carrying so many coins _____ was a problem, especially if you wanted to buy something really expensive.
11 Many horses were needed to carry sacks _____ coins!
12 Paper money was not only easier to carry _____ , it was also easier to copy!
13 The governments _____ countries that used paper money had to use many different paper-printing techniques to make the paper money difficult to copy.
14 Nine hundred years ago, the Chinese government started to use special paper and began to print its paper money _____ colour, to make it harder to forge.
15 Each note was printed _____ its own number, called a serial number.
16 This made its easier to find _____ if a note had been copied or not.